Troubleshooting, Warranty & Recalls

908 topics in this forum

1. Damaged Left Rear Bumper & Left Rear Quarter Panel - Repair Questions

   By SoCal Angler, May 25
   • 4 replies
   • 344 views
   • 
   • GMCustomerService
   • 1 hour ago

2. DTC P2C48 auxiliary cooling pump

   By Newduramaxh*ar, Saturday at 05:26 PM
   • 4 replies
   • 152 views
   • 
   • silveradosid
   • 7 hours ago

3. Recalls 2024 Chevrolet HD

   By BCGM, November 1, 2025
   • 11 replies
   • 1.5k views
   • 
   • UWSkier
   • Thursday at 11:26 PM

4. Electrical problem

   By joshua1221, June 5
   • 1 reply
   • 183 views
   • 
   • davester
   • June 5

5. Cracked tailgate touch pad replacement?

   By Alfa Georgia, February 21
   • 3 replies
   • 465 views
   • 
   • Alfa Georgia
   • June 2

6. Keyless touch pad on door

   By bryant87, May 25
   • 3 replies
   • 283 views
   • 
   • GMCustomerService
   • June 1

7. Those with a '23 2500/3500HD - Can you verify a body part for me?

   By SoCal Angler, May 30
   • 3 replies
   • 203 views
   • 
   • chris21
   • May 31

8. AC 3-10min Delay on cold start - NIGHTMARE ISSUES!!! (2020-2023 trucks)

   By UltimateToolReviews, May 19
   • 4 replies
   • 479 views
   • 
   • UltimateToolReviews
   • May 30

9. A/C issue 1 2

   By littleal, April 4
   • 15 replies
   • 942 views
   • 
   • Atlas
   • May 22

10. 2021 3500 CCLB LTZ tailgate stuck

    By ChevyGMCfan, May 2
    • 1 reply
    • 334 views
    • 
    • GMCustomerService
    • May 11

11. 2020 Silverado 3500HD Duramax Diesel "Allison" transmission rear wheel lock-up lawsuit

    By RB Patterson, April 28
    • 2 replies
    • 444 views
    • 
    • RB Patterson
    • April 29

12. 2020 3500HD - dead fuel pump module

    By greatmizzou, December 30, 2025
    • 3 replies
    • 598 views
    • 
    • greatmizzou
    • April 26

13. Help replacing brakes on the 2020+ models 1 2

    By UltimateToolReviews, April 15
    • 28 replies
    • 1.5k views
    • 
    • bruceb58
    • April 26

14. Should I buy a bi-directional scan tool? (plus J2534 and TDS)

    By BB_Mike, February 2
    • 4 replies
    • 861 views
    • 
    • jeetS
    • April 17

15. Radio Update

    By djv1951, March 30
    • 2 replies
    • 461 views
    • 
    • djv1951
    • March 30

16. Rear Window Leak and GM warranty warning 1 2

    By bowtie2007, March 18, 2022
    • 28 replies
    • 55.5k views
    • 
    • mrjulian416
    • March 26

17. Hose leak... transmission cooler hose???

    By darleyhavidson, March 3
    • 10 replies
    • 681 views
    • 
    • Another JR
    • March 25

18. Rear leaf spring clunk gone with TSB 21-na-138 fix 1 2

    By Pryme, June 3, 2024
    • 28 replies
    • 10.4k views
    • 
    • Chuck FB
    • March 25

19. 2021 2500HD A/C stops blowing cold at highway speeds

    By summers, July 7, 2024
    • 5 replies
    • 3k views
    • 
    • Ottavio
    • March 24

20. Trailer Light Control

    By Hardhands85, March 16
    • 7 replies
    • 617 views
    • 
    • chris21
    • March 19

21. Infotainment audio cuts out.

    By CRApex, March 13
    • 4 replies
    • 484 views
    • 
    • Capt Bob
    • March 15

22. Codes will not clear after changing batteries

    By Jay spence, February 21
    • 1 reply
    • 393 views
    • 
    • GMCustomerService
    • March 12

23. 2025 GMC 2500 Front Axle seals leaking

    By jadennis, March 9
    • 4 replies
    • 481 views
    • 
    • Pryme
    • March 11

24. 2022 HD High Country 8 inch Infotainment System No Sound

    By Tom Brizzi, March 11
    • 0 replies
    • 198 views
    • 
    • Tom Brizzi
    • March 11

25. Camera selection freezing

    By davidm767, March 10
    • 0 replies
    • 167 views
    • 
    • davidm767
    • March 10